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Daylin Morgan 2024-08-06 12:19:17 -05:00
parent 25113cbaa2
commit 81339fdff3
Signed by: daylin
GPG key ID: 950D13E9719334AD
1 changed files with 20 additions and 17 deletions
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37
bin/gpg-key-to-datamatrix
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@ -6,39 +6,42 @@ def append-if [cond: bool, item: any] {
}
def get-chunked-key [keyid?: string] {
let flags = [
"--export-secret-key", "--export-options", "export-minimal"
] | append-if ($keyid != null) $keyid
let flags = ["--export-secret-key", "--export-options", "export-minimal"]
| append-if ($keyid != null) $keyid
let key = (gpg ...$flags)
let length = ($key | bytes length)
# 1555 is the maximum length in bytes split data evenly
# 1555 is the maximum length in bytes
let n = ($length / (($length / 1555)| math ceil)) | math ceil
0..$n..$length
| each {|i| $key | bytes at $i..<($i + $n)}
| each {|i| $key | bytes at $i..<($i + $n)}
}
def generate-typst-doc [tmp: string, length: int] {
0..<$length
| each { |i|
let path = $tmp
| path join $"dmtx-($i).svg"
| path relative-to $env.PWD
| each { |i|
let path = $tmp
| path join $"dmtx-($i).svg"
| path relative-to $env.PWD
['#image("', $path, '")'] | str join
}
| str join "\n"
['#image("', $path, '")'] | str join
}
| str join "\n"
}
def main [keyid?: string, --output(-o) = "dmtxdata.pdf"] {
let tmpdir = mktemp -d -p . -t tmp.key-2-matrix-XXX
let byte_chunks = get-chunked-key $keyid
$byte_chunks | enumerate | each {|it|
$it.item | dmtxwrite -e 8 -o ($tmpdir | path join $"dmtx-($it.index).svg")
}
$byte_chunks
| enumerate
| each {|it|
$it.item
| dmtxwrite -e 8 -o ($tmpdir | path join $"dmtx-($it.index).svg")
}
let doc = generate-typst-doc $tmpdir ($byte_chunks | length)
$doc | typst compile - $output
generate-typst-doc $tmpdir ($byte_chunks | length)
| typst compile - $output
rm -r $tmpdir
}